Bug#598141: sudo: segfaults on -g

[Jakub Wilk]

* Bdale Garbee <bd...@gag.com>, 2010-10-07, 16:04:

Package: sudo
Version: 1.7.4p4-3

$ sudo -g staff id
Segmentation fault

I can't reproduce this.  Any other clues?

              return(userpw_matches(def_runas_default, runas_pw->pw_name, 
runas_pw));

because runas_pw is NULL. The traceback is:

#0  0x0805d862 in _runaslist_matches (user_list=0x8f10808, 
group_list=0x8f10810) at ./match.c:178
#1  0x0805dbbf in runaslist_matches (user_list=0x8f10808, group_list=0x8f10810) 
at ./match.c:253
#2  0x0805437b in sudo_file_lookup (nss=0x806f780, validated=0, pwflag=0) at 
./parse.c:221
#3  0x080567ff in main (argc=4, argv=0xbfffa434, envp=0xbfffa448) at 
./sudo.c:358

--
Jakub Wilk

Have you tried with the minimal /etc/sudoers I attached to the first message? Anyway, I recompiled sudo with "-O0 -g" and did some debugging. It crashes at match.c:178:

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